/*
 * COPYRIGHT NOTICE
 * Copyright (c) 1997 Integrated Computer Solutions
 * 
 * hourCursor / sample.c - sample code to put up an hourGlass cursor
 */

#include <Xm/Xm.h>
#include <Xi/DBPak.h>
#include <Xi/DataSrc.h>

#include "hourCursor.h"


/******************************************************************************
 *                                                                            *
 * Busy - our XmNdbBusyCallback handler.   The busy callback is useful        *
 * for setting an hourglass cursor during a DBMS operation.                   *
 *                                                                            *
 ******************************************************************************/

static void Busy(w, client, call)
	Widget w; XtPointer client; XtPointer call;
{
	XiDBDataSourceNotifyCallbackStruct *ns =
			(XiDBDataSourceNotifyCallbackStruct *) call;

	/* Verify the reason is right */
	if(ns->reason != XiDB_NOTIFY_BUSY) return;
	/* subreason:	0 for operation over,
	 *		non-zero for operation starting
	 */
	HourGlass_SetShellCursorHierarchy(AppShell, ns->subreason);
	XSync(XtDisplay(AppShell), False);
}


... When you create your Database Access widget 

	Widget	theDB, parent;
  
	...

	theDB = XtVaCreateWidget("theDB",
			xiDBSybaseDataSrcWidgetClass, parent,
			NULL);

	/* Track DBMS operations so we can put up an hourglass cursor */
	XtAddCallback(theDB, XmNdbBusyCallback, Busy, (XtPointer) 0);

	...